Add node-gyp setup for NodeJS bindings

.github/workflows/ci.yml

@@ -94,33 +94,70 @@ jobs:
     - name: Java
       run: if [ -x bindings/java/run.me ]; then bindings/java/run.me; fi
 
-    - name: Node.js
+  nodejs-build-swig:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - uses: actions/cache@v2
+        with:
+          path: ~/swig
+          key: ${{ runner.os }}-swig-pr1746
+      - name: Setup SWIG
+        run: |
+          if [ ! -x ~/swig/bin/swig ]; then
+            ( git clone -b pr/new-node-fixes https://github.com/yegorich/swig;
+              cd swig;
+              ./autogen.sh;
+              ./configure --prefix=$HOME/swig;
+              make;
+              make install;
+            )
+          fi
+      - name: Run.me
+        run: |
+          env PATH=~/swig/bin:$PATH SWIG_LIB=~/swig/share/swig/4.0.2 \
+            ./bindings/node.js/run.me
+      - name: Upload blst_wrap.cpp
+        uses: actions/upload-artifact@v2
+        with:
+          name: blst_wrap.cpp
+          path: bindings/node.js/blst_wrap.cpp
+  nodejs:
+    needs: ["nodejs-build-swig"]
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        node: [10, 12]
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/cache@v2
+      with:
+        path: ~/swig
+        key: ${{ runner.os }}-swig-pr1746
+    - name: Setup Node.js ${{matrix.node}}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{matrix.node}}
+    - name: Download blst_wrap.cpp
+      uses: actions/download-artifact@v2
+      with:
+        name: blst_wrap.cpp
+        path: bindings/node.js/
+    - name: Setup node-gyp
+      run: npm install --global node-gyp
+    - name: Build with node-gyp
+      shell: bash
       run: |
-        node_js=bindings/node.js
-        if [ -x $node_js/run.me ]; then
-            if [ ! -x ~/swig/bin/swig ]; then
-              ( git clone -b pr/new-node-fixes https://github.com/yegorich/swig;
-                cd swig;
-                ./autogen.sh;
-                ./configure --prefix=$HOME/swig;
-                make;
-                make install;
-              )
-            fi
-            env PATH=~/swig/bin:$PATH SWIG_LIB=~/swig/share/swig/4.0.2 \
-                $node_js/run.me
-        fi
-        if [ -f $node_js/binding.gyp -a -f $node_js/blst_wrap.cpp ]; then
-            echo ---
-            if which npm > /dev/null 2>&1; then
-                npm install --global node-gyp || true
-            fi
-            if which node-gyp > /dev/null 2>&1; then
-              ( export PATH=~/swig/bin:$PATH SWIG_LIB=~/swig/share/swig/4.0.2;
-                cd $node_js;
-                node-gyp configure;
-                node-gyp build;
-                env NODE_PATH=build/Release: node runnable.js;
-              )
-            fi
+        cd bindings/node.js
+        if [ "$RUNNER_OS" = "Linux" ]; then
+            export PATH=~/swig/bin:$PATH SWIG_LIB=~/swig/share/swig/4.0.2
+        elif [ -f blst_wrap.cpp ]; then # rename the downloaded artefact
+            mv -f blst_wrap.cpp blst_wrap.v12.cpp
         fi
+        node-gyp configure
+        node-gyp build
+        env NODE_PATH=build/Release node runnable.js

bindings/blst.hpp

@@ -25,7 +25,7 @@ static const app__string_view None;
 #if __cplusplus < 201103L
 # ifdef __GNUG__
 #  define nullptr __null
-# else
+# elif !defined(_MSVC_LANG) || _MSVC_LANG < 201103L
 #  define nullptr 0
 # endif
 #endif

bindings/node.js/blst_wrap.py

@@ -16,7 +16,7 @@
 except OSError as e:
     if e.errno != 2:    # not "no such file or directory"
         raise e
-    sys.exit(e.errno)   # or do something else, say ...
+#   sys.exit(e.errno)   # or do something else, say ...
 
 here = re.split(r'[/\\](?=[^/\\]*$)', sys.argv[0])
 if len(here) == 1: